KnowraPuerto Rico TrenchLinked fromLinked fromThe 5 pages that link to Puerto Rico Trench, each with the reason it gives.All 5Broader topic 2Related 2Compared with 1SubductionRelated: A rare Atlantic subduction zone in an ocean otherwise dominated by passive margins.Lesser AntillesRelated: It illustrates the region's complex plate-boundary system north of the island arc.